Hearth and Home Technologies BIR42-B - Manual (Page 36)

36
3 in. (76 mm) tall legs
Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap
Length x Width to fit inside shroud
Figure 10.1 Radiation Shield
• Chase top shrouds may be field constructed where
permitted by regional building codes.
WARNING! Risk of Fire! Shrouds must be constructed as
specified. Improper construction may overheat chase top.
NOTICE: Some regional codes require an agency-Listed
shroud. Consult your local building officials.
10
Shrouds
• Hearth & Home Technologies Inc. supplies UL listed
shrouds. See your dealer for details.
• Different shroud designs have been tested for Hearth
Technologies fireplace systems using the TR11 and TR11T
termination caps.
• The shrouds must be constructed from a minimum .018
in. (26 ga) thick aluminized steel.
• The wire mesh is optional but recommended and must be
.018 in. thick minimum with mesh no larger than 1/2 in.
(13 mm).
A. Radiation Shield
• Some shrouds require a radiation shield. Use where
specified.
Open Top Shroud (TR342 & TR11/TR11T caps require radiation shield)
3 in (76 mm)
minimum
Min.
Base Dim.
Min.
Base Dim.
Min.
Top Dim.
Min.
Top Dim.
Min. Opening
Width
Min. Opening
Width
Figure 10.2 Open Top Shroud Dimensions
TR11/11T TR11/11T TV
Min. Base Dims.
in 32 x 32 26 x 26
mm 813 x 813 660 x 660
Radiation Shield
Required
Min. Top Dims.
in 29 x 29 23 x 23
mm 737 x 737 584 x 584
Min. Opening Width
in 26 x 26 20 x 20
mm 660 x 660 508 x 508
B. Field Constructed Shrouds
Heatilator • Birmingham BIR42-B • 4059-681C • 9/12